摘要
通过黑石河桥头引道路基沉降导致路面开裂的成功处理,研究了小间距小直径密集型素混凝土灌注桩复合地基应用技术。应用这种技术能够有效提高软弱地层、松散地层的承载能力,减少路基沉降和差异沉降,达到防止路面破损的目的。
Based on the successful treatment of pavement cracking caused by subgrade settlement of the approach to Heishihe Bridge,the application of small-spacing small-diameter compact plain concrete cast-in-place pile composite foundation was studied.This technology can effectively improve bearing capacity of soft and loose strata,and reduce subgrade settlement and differential settlement,thus prevent the pavement from damages.
作者
李杨
李明贵
LI Yang;LI Minggui(Sichuan Guangzheng Engineering Consulting and Supervision Co.,Ltd.,Chengdu 610081,China;Sichuan Forestry Exploration and Design Research Institute,Chengdu 610081,China)
出处
《路基工程》
2020年第4期133-138,共6页
Subgrade Engineering
关键词
桥头引道
路面变形
路基加固
混凝土桩复合地基
差异沉降
bridge approach
pavement deformation
subgrade reinforcement
concrete pile composite foundation
differential settlement